package com.study;

public class Round {
    public static void main(String[] args) {
        int[] rArr2 = {2};
        Graphics round = new Graphics(rArr2);
        System.out.println(round.radius);
        System.out.println("这是一个周长为"+round.perimeter()+"面积为"+ round.area()+"的" + round.getShape());
    }
}
